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var RemoteCanvas = function(url, id) {
this.url = url;
this.id = id;
this.snapshot = null;
};
RemoteCanvas.CANVAS_WIDTH = 200;
RemoteCanvas.CANVAS_HEIGHT = 200;
RemoteCanvas.prototype.compare = function(otherCanvas, expected) {
return compareSnapshots(this.snapshot, otherCanvas.snapshot, expected)[0];
}
RemoteCanvas.prototype.load = function(callback) {
var iframe = document.createElement("iframe");
iframe.id = this.id + "-iframe";
iframe.width = RemoteCanvas.CANVAS_WIDTH + "px";
iframe.height = RemoteCanvas.CANVAS_HEIGHT + "px";
iframe.src = this.url;
var me = this;
iframe.addEventListener("load", function() {
info("iframe loaded");
var m = iframe.contentDocument.getElementById("av");
m.addEventListener("suspend", function(aEvent) {
m.removeEventListener("suspend", arguments.callee, false);
setTimeout(function() {
me.remotePageLoaded(callback);
}, 0);
}, false);
m.src = m.getAttribute("source");
}, false);
window.document.body.appendChild(iframe);
};
RemoteCanvas.prototype.remotePageLoaded = function(callback) {
var ldrFrame = document.getElementById(this.id + "-iframe");
this.snapshot = snapshotWindow(ldrFrame.contentWindow);
this.snapshot.id = this.id + "-canvas";
window.document.body.appendChild(this.snapshot);
callback(this);
};
RemoteCanvas.prototype.cleanup = function() {
var iframe = document.getElementById(this.id + "-iframe");
iframe.parentNode.removeChild(iframe);
var canvas = document.getElementById(this.id + "-canvas");
canvas.parentNode.removeChild(canvas);
};
function runTest(index) {
var canvases = [];
function testCallback(canvas) {
canvases.push(canvas);
if (canvases.length == 2) { // when both canvases are loaded
var expectedEqual = currentTest.op == "==";
var result = canvases[0].compare(canvases[1], expectedEqual);
ok(result, "Rendering of reftest " + currentTest.test + " should " +
(expectedEqual ? "not " : "") + "be different to the reference");
if (result) {
canvases[0].cleanup();
canvases[1].cleanup();
}
else {
info("Snapshot of canvas 1: " + canvases[0].snapshot.toDataURL());
info("Snapshot of canvas 2: " + canvases[1].snapshot.toDataURL());
}
if (index < tests.length - 1)
runTest(index + 1);
else
SimpleTest.finish();
}
}
var currentTest = tests[index];
var testCanvas = new RemoteCanvas(currentTest.test, "test-" + index);
testCanvas.load(testCallback);
var refCanvas = new RemoteCanvas(currentTest.ref, "ref-" + index);
refCanvas.load(testCallback);
}
SimpleTest.waitForExplicitFinish();
SimpleTest.requestCompleteLog();
window.addEventListener("load", function() {
SpecialPowers.pushPrefEnv({"set": [["media.cache_size", 40000]]}, function() { runTest(0); });
}, true);
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